EP3770723A1 - Supporting structure for flexible screen, flexible screen structure and terminal device - Google Patents

Supporting structure for flexible screen, flexible screen structure and terminal device Download PDF

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Publication number
EP3770723A1
EP3770723A1 EP20158442.2A EP20158442A EP3770723A1 EP 3770723 A1 EP3770723 A1 EP 3770723A1 EP 20158442 A EP20158442 A EP 20158442A EP 3770723 A1 EP3770723 A1 EP 3770723A1
Authority
EP
European Patent Office
Prior art keywords
flexible screen
opening
module
component
supporting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20158442.2A
Other languages
German (de)
English (en)
French (fr)
Inventor
Di WANG
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Xiaomi Mobile Software Co Ltd
Original Assignee
Beijing Xiaomi Mobile Software Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Publication of EP3770723A1 publication Critical patent/EP3770723A1/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1643—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being associated to a digitizer, e.g. laptops that can be used as penpads
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
    • H04M1/0269—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel mounted in a fixed curved configuration, e.g. display curved around the edges of the telephone housing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/033—Indexing scheme relating to G06F3/033
    • G06F2203/0338—Fingerprint track pad, i.e. fingerprint sensor used as pointing device tracking the fingertip image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04105—Pressure sensors for measuring the pressure or force exerted on the touch surface without providing the touch position
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12—Fingerprints or palmprints
    • G06V40/13—Sensors therefor
    • G06V40/1318—Sensors therefor using electro-optical elements or layers, e.g. electroluminescent sensing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12—Fingerprints or palmprints
    • G06V40/13—Sensors therefor
    • G06V40/1329—Protecting the fingerprint sensor against damage caused by the finger

Definitions

  • the present disclosure generally relates to a technical field of electronic devices, and more particularly, to a supporting structure for a flexible screen, a flexible screen structure and a terminal device.
  • the present disclosure provides a supporting structure for a flexible screen, a flexible screen structure and a terminal device.
  • a supporting structure for a flexible screen comprising:
  • the second supporting module is a transparent module.
  • the second supporting module includes:
  • the second supporting module further includes: a buffering component, located between the elastic component and the limiting component, and disposed at a distance to the elastic component to form the gap, which is deformed when the length of the deformation protrusion reaches the width of the gap, so as to buffer the deformation protrusion of the elastic component towards the limiting component.
  • a buffering component located between the elastic component and the limiting component, and disposed at a distance to the elastic component to form the gap, which is deformed when the length of the deformation protrusion reaches the width of the gap, so as to buffer the deformation protrusion of the elastic component towards the limiting component.
  • the second supporting module further includes: a first bonding component, located between the buffering component and the limiting component and used for bonding the buffering component to the limiting component.
  • a flexible screen structure comprising:
  • the flexible screen structure further comprises:
  • the elastic component and the second bonding module are located in the second opening, and the first supporting module is bonded with the flexible screen by the second bonding module, wherein the gap is enabled to be within the first distance range by adjusting a thickness of the third bonding module and the position of the limiting component at the first opening.
  • the elastic component when the first supporting module is bonded with the elastic component, the elastic component is located between the third bonding module and the second bonding module, wherein the gap is enabled to be within the first distance range by adjusting the thickness of the third bonding module.
  • the second opening is a step-shaped opening which has a first sub-opening and a second sub-opening, wherein the first sub-opening is disposed on one side of the flexible screen facing the limiting component, the second sub-opening is disposed on one side of the limiting component facing the flexible screen, the first sub-opening is connected with the second sub-opening, and a cross-sectional width of the first sub-opening is greater than that of the second sub-opening; and
  • the elastic component and the second bonding module are located in the first sub-opening.
  • a terminal device comprising:
  • the functional module includes: a fingerprint acquiring module used for acquiring a fingerprint.
  • the technical solution provided by the embodiments of the present disclosure may include the beneficial effects below: supporting the flexible screen corresponding to the first opening by the second supporting module can reduce a probability that the flexible screen collapses at the position of the first opening, thereby making appearance of the flexible screen flat; and supporting the flexible screen corresponding to the first opening by the second supporting module can enable a user not to obviously sense a touch change caused by the first opening when acting on the flexible screen, thereby improving user experience.
  • Various embodiments of the present disclosure can address problems such as that when functional modules are added into a screen of the terminal device, it may cause an uneven appearance of the screen.
  • FIG 1 is a supporting structure for a flexible screen according to an exemplary embodiment.
  • the supporting structure 30 for the flexible screen includes:
  • the first supporting module 31 has a characteristic of bendability, can be bent according to design requirements, and can be widely applied to a terminal device with the flexible screen 20.
  • the first supporting module 31 also has hardness, and can be used for supporting the flexible screen 20.
  • the first supporting module 31 can be a module formed of a metal or alloy material, wherein the metal material includes steel.
  • the first supporting module 31 has a first opening, and an opening area of the first opening can be set according to a function which is to be executed by a functional module 33 corresponding to the first opening.
  • the functional module 33 is a fingerprint acquiring module
  • the area of the first opening can be set according to a fingerprint acquiring range
  • the functional module 33 is a pressure sensing module
  • the area of the first opening can be set according to a sensing face of a pressure.
  • an opening shape of the first opening can be set according to user preferences.
  • the shape of the first opening can be set as a circle, an oval or a similar rectangle, and the embodiment of the present disclosure does not make any limit thereto.
  • the second supporting module 32 is located at a position corresponding to the first opening and used for supporting the flexible screen 20 at a position corresponding to the first opening.
  • the second supporting module 32 can be connected with the flexible screen 20 through the first opening to support the flexible screen 20, so that a probability that the flexible screen 20 collapses at the position of the first opening can be reduced, thereby making appearance of the flexible screen 20 flat.
  • the second supporting module 32 has a deformation recovery ability, and when the external force acts on the flexible screen 20 corresponding to the first opening, generates the deformation towards the direction facing away from the flexible screen 20 so as to form the protrusion; and when the external force is removed, the deformation of the second supporting module 32 is removed, and the second supporting module 32 is recovered into a state before the deformation.
  • the second supporting module 32 is made from an elastic material such that it can be elastically deformed when an external force acts on it. When the external force disappears, the second supporting module 32 will return to its original shape without the protrusion.
  • the second supporting module has no protrusion in a direction facing away from the screen when no external force acts on the second supporting module 32.
  • a case that the external face is acted on the flexible screen corresponding to the first opening includes, but is not limited to, a case that a finger of a user acts on the flexible screen corresponding to the first opening; or, the external force acts on the flexible screen corresponding to the first opening by an object, such as a stylus and the like.
  • the supporting structure when the deformation of the second supporting module 32 is removed, the supporting structure can be recovered to the state before deformation to continuously support the flexible screen 20, so that when acting on the flexible screen 20, the user cannot obviously sense a touch change caused by the deformation, thereby improving user experience.
  • the second supporting module 32 is located at the position corresponding to the first opening, and when the external force acts through the flexible screen 20, the second supporting module 32 forms the deformation protrusion towards the direction facing away from the flexible screen 20, wherein the formed deformation protrusion is acted on the functional module 33 located below the second supporting module 32 so as to trigger the functional module 33 to execute a predetermined function.
  • the second supporting module 32 when the external force acts on the second supporting module 32 through the flexible screen 20, the second supporting module 32 forms the deformation protrusion, and at the moment, the functional module 33 below the second supporting module 32 can be triggered to execute the predetermined function on the basis of the deformation.
  • the functional module 33 includes, but is not limited to, the fingerprint acquiring module or the pressure sensing module.
  • the functional module 33 when the functional module 33 is the fingerprint acquiring module and the second supporting module 32 is a transparent module, on the basis that the external force acts on the second supporting module 32 through the flexible screen, the second supporting module 32 forms the deformation protrusion, such that the functional module 33 can carry out fingerprint image acquisition through reflected light generated by the flexible screen 20.
  • the functional module 33 is the pressure sensing module, on the basis that the external force acts on the second supporting module 32 through the flexible screen, the second supporting module 32 forms the deformation protrusion, such that the functional module 33 can determine a current state of the flexible screen by detecting a pressure applied to the flexible screen by the external force. For example, when it is detected that the pressure exceeds a predetermined threshold, it can be determined that the flexible screen is strongly pressed, and at the moment, the functional module 33 can output a prompt message so as to prompt that the external force acting on the flexible screen is excessively large.
  • the second supporting module 32 is the transparent module.
  • the transparent module has transmittance and can enable the reflected light generated by the flexible screen to transmit.
  • the functional module 33 is the fingerprint acquiring module
  • the reflected light facing the functional module 33 can be generated through acting on the flexible screen 20 corresponding to the first opening by the user; and the second supporting module 32 enables the reflected light to transmit, so that the fingerprint acquiring module can carry out fingerprint image acquisition on the basis of the reflected light.
  • the supporting module usually does not have the characteristic of transmittance.
  • an opening is needed in the fingerprint acquiring region corresponding to the supporting module needs to be opened, so that the fingerprint acquiring module below the supporting module can implement the acquisition of the optical fingerprint through the opening.
  • a first opening is disposed in the fingerprint acquiring region of the supporting module, and the reflected light transmitting the flexible screen can implement the fingerprint acquisition below the flexible screen through the first opening.
  • the second supporting module 32 is a transparent module, which not only can support the flexible screen 20 corresponding to the first opening so as to reduce the probability that the flexible screen collapses at the position of the first opening, but also can achieve a function of acquiring the optical fingerprint below the flexible screen 20 on the basis of the reflected light transmitting the flexible screen 20.
  • the second supporting module 32 includes:
  • the elastic component 32a has hardness, and can be used for supporting the flexible screen of a soft material.
  • the elastic component 32a is mainly made of transparent materials with a transmittance greater than 80%.
  • the material of the elastic component 32a can be selected from such as PI, PMMA, PC or other transparent materials, but is not limited thereto.
  • the elastic component is located below the flexible screen, so that the flexible screen can be supported and then the surface of the flexible screen is flat.
  • the elastic component when the external force acts on the elastic component, the elastic component is deformed and forms the protrusion towards the direction facing away from the flexible screen; and when the external force is removed, the deformation of the elastic component is removed.
  • the elastic component 32a not only can be used for supporting the flexible screen 20 to make the flexible screen 20 in a flat state, but also can be timely recovered from deformation, so that the user does not obviously perceive the touch change caused by the deformation when acting on the flexible screen 20, thereby improving user experience.
  • the elastic component 32a can be a component formed of transparent plastic.
  • the elastic component 32a can be a component formed of a Polyethylene terephthalate (PET) material.
  • PET Polyethylene terephthalate
  • the limiting component 32b and the elastic component 32b are disposed at a distance to form the gap.
  • the width of the gap can be set according to a pressure that the second supporting module 32 can bear, and also can be set according to a signal-to-noise ratio of fingerprint acquisition, and the embodiments of the present disclosure do not make any limit thereto.
  • the limiting component 32b limits the elastic component 32a to be continuously deformed towards the direction facing away from the flexible screen. It can be understood that when the length of the protrusion of the elastic component 32a reaches the width of the gap, i.e., the external force exceeding a predetermined range acts on the flexible screen, the limiting component 32b limits the elastic component 32a to be continuously deformed, so that the functional module 33 below the limiting component 32b can be protected and a probability that the functional component 33 is damaged is reduced.
  • the limiting component 32b can be a component formed of a glass material or the PET material.
  • the second supporting module 32 further includes: a buffering component 32c, located between the elastic component 32a and the limiting component 32b, disposed at a distance to the elastic component 32a to form a gap, and deformed when the length of the deformation protrusion reaches a width of the gap, so as to buffer the deformation protrusion of the elastic component 32a towards the limiting component 32b.
  • a buffering component 32c located between the elastic component 32a and the limiting component 32b, disposed at a distance to the elastic component 32a to form a gap, and deformed when the length of the deformation protrusion reaches a width of the gap, so as to buffer the deformation protrusion of the elastic component 32a towards the limiting component 32b.
  • the buffering component 32c in combination with the elastic component 32a and the limiting component 32b can further protect the functional module 33 below the limiting component 32b, and reduce the probability that the functional module 33 is damaged.
  • the buffering component 32c can be a component formed of the transparent plastic.
  • the buffering component 32c can be a component formed of the PET material.
  • the second supporting module 30 further includes: a first bonding component 32d, located between the buffering component 32c and the limiting component 32b and used for bonding the buffering component 32c to the limiting component 32b.
  • the first bonding component 32d can be a component formed of a transparent adhesive.
  • the first bonding component 32d can be a component formed of an Optically Clear Adhesive (OCA).
  • OCA Optically Clear Adhesive
  • FIG 5 is a schematic diagram of a flexible screen structure according to an exemplary embodiment. As shown in FIG 5 , the flexible screen structure includes:
  • the flexible screen is used for displaying information.
  • the flexible screen has the characteristic of bendability, and can be applied to a foldable terminal device, or applied to a terminal device with a curved display function.
  • a screen component needs to be bent in the assembling process of the mobile device, such as a foldable screen or a curved flexible screen of a mobile phone.
  • the flexible screen structure is assembled in a layered attaching mode.
  • the flexible screen structure further includes a protecting module 10; and the protecting module 10 can be used for protecting the flexible screen from being damaged.
  • the flexible screen structure is in a bent form. In the process of layered assembling of the flexible screen structure, the flexible screen 20 is located between the protecting module 10 and the supporting module 30, the protecting module 10 is attached to the flexible screen 20, and the flexible screen 20 is attached to the supporting module 30.
  • the supporting module can be attached below the flexible screen 20.
  • the flexible screen structure further includes:
  • the second bonding module 40 bonds the elastic component 32a below the flexible screen 20.
  • the second bonding module 40 can be a component formed of the transparent adhesive.
  • the second bonding module 40 is a component formed of the OCA.
  • the third bonding module 50 has the second opening, and the second opening is aligned with the first opening.
  • a cross-sectional width of the second opening is greater than or equal to that of the first opening.
  • a shape of the second opening can be set according to a shape of the first opening. For example, when the shape of the first opening is set as a circle, the shape of the second opening can also be a circle.
  • both the first opening and the second opening are a circle and a thickness of the flexible screen is 570 micrometers
  • a diameter of the second opening is 9.4 millimeters
  • a diameter of the first opening is 8.4 millimeters
  • a diameter of the acquiring range of the functional module 33 below the first opening is 8.1 millimeters.
  • the third bonding module 50 is used for bonding the first supporting module 31 with other modules.
  • the first supporting module 31 can be bonded to the flexible screen 20, or bonded to the elastic component 32a.
  • the third bonding module 50 includes, but is not limited to, a module formed of foam glue.
  • the gap between the elastic component 32a and the limiting component 32b needs to be within the first distance range.
  • the gap between the elastic component 32a and the limiting component 32b can be set according to the signal-to-noise ratio of fingerprint acquisition.
  • the gap between the elastic component 32a and the limiting component 32b can be set between 150 micrometers and 200 micrometers.
  • the gap between the elastic component 32a and the limiting component 32b is set between 150 micrometers and 200 micrometers, the signal-to-noise ratio of fingerprint acquisition can be made higher, so that an accurate fingerprint image can be obtained.
  • the elastic component 32a and the second bonding module 40 are located in the second opening, and the first supporting module 31 is bonded to the flexible screen 20 by the second bonding module 40, wherein the gap is enabled to be within the first distance range by adjusting the thickness of the third bonding module 50 and the position of the limiting component 32b at the first opening.
  • both a thickness of the second bonding module 40 and a thickness of the elastic component 32a are 50 micrometers, a thickness of the first supporting module 31 is 200 micrometers and the first distance range is from 150 micrometers to 200 micrometers.
  • the thickness of the third bonding module 50 and the position of the limiting component 32b at the first opening can be adjusted, so that a distance between a surface of the limiting component 32b, which faces the flexible screen, and a surface of the first supporting module 31, which faces the flexible screen 20, is 100 micrometers, and the thickness of the third bonding module 50 is 200 micrometers.
  • the second opening is a step-shaped opening
  • the step-shaped opening has a first sub-opening and a second sub-opening, wherein the first sub-opening is disposed on one side of the flexible screen 20, which faces the limiting component 32b, the second sub-opening is disposed on one side of the limiting component 32b, which faces the flexible screen 20, the first sub-opening is connected with the second sub-opening, and a cross-sectional width of the first sub-opening is greater than that of the second sub-opening; and the elastic component 32a and the second bonding module 40 are located in the first sub-opening.
  • the second opening is the step-shaped opening, and it is assumed that a thickness of the first sub-opening is 100 micrometers, and both the thickness of the second bonding module 40 and the thickness of the elastic component 32a are 50 micrometers.
  • a thickness of the second sub-opening and the position of the limiting component 32b at the first opening can be adjusted, so that the distance between the surface of the limiting component 32b, which faces the flexible screen, and the surface of the first supporting module 31, which faces the flexible screen, is 50 micrometers, and the thickness of the second sub-opening is 100 micrometers.
  • the elastic component 32a when the first supporting module 31 is bonded to the elastic component 32a, the elastic component 32a is located between the third bonding module 50 and the second bonding module 40, wherein the gap is enabled to be within the first distance range by adjusting the thickness of the third bonding module 50.
  • both the thickness of the second bonding module 40 and the thickness of the elastic component 32a are 50 micrometers
  • the thickness of the first supporting module 31 is 200 micrometers
  • the first distance range is 150 micrometers to 200 micrometers.
  • the thickness of the third bonding module 50 can be 150 micrometers.
  • the buffering component 32c in the supporting module is bonded to the limiting component 32b by the first bonding component 32d, wherein the gap between the buffering component 32c and the elastic component 32a is within the first distance range by adjusting the thicknesses of the buffering component 32c and the first bonding component 32d and the thickness of the third bonding module 50.
  • the buffering component 32c and the first bonding component 32d can be disposed in the first opening of the first supporting module 31 after being attached, or can be separately disposed in the first opening of the first supporting module 31.
  • both the thickness of the second bonding module 40 and the thickness of the elastic component 32a are 50 micrometers
  • the thickness of the first supporting module 31 is 200 micrometers
  • the first distance range is 150 micrometers to 200 micrometers.
  • the thickness of the third bonding module 50 and a sum of the thicknesses of the buffering component 32c and the first bonding component 32d can be adjusted, so that the sum of the thicknesses is smaller than the thickness of the first supporting module 31, and the thickness of the third bonding module 50 is 200 micrometers.
  • An embodiment of the present disclosure further discloses a terminal device.
  • the terminal device includes:
  • the terminal device can include, but be not limited to, a mobile device or a wearable device, wherein the mobile device includes a smart phone, a tablet computer and an e-book reader; and the wearable device includes a smart watch.
  • the terminal device can be a terminal device with the flexible screen structure, so that optical fingerprint acquisition below the flexible screen can be implemented and the probability that the flexible screen collapses at the position of the first opening also can be reduced, thereby making appearance of the flexible screen flat.
  • the functional module 33 includes a fingerprint acquiring module, and the fingerprint acquiring module is used for acquiring a fingerprint.
  • the fingerprint acquiring module is disposed below the first opening of the flexible screen structure, and the flexible screen structure can transmit the reflected light generated when the user acts on the flexible screen to the fingerprint acquiring module, so that the fingerprint acquiring module can carry out acquisition of a fingerprint image on the basis of the reflected light, thereby implementing acquisition of an optical fingerprint below the flexible screen.
  • the supporting of the flexible screen corresponding to the first opening by the second supporting module can reduce a probability that the flexible screen collapses at the position of the first opening, thereby making appearance of the flexible screen flat; and supporting the flexible screen corresponding to the first opening by the second supporting module can enable a user not to obviously sense a touch change caused by the first opening when acting on the flexible screen, thereby improving user experience.
  • FIG. 12 is a bock diagram of a terminal device 800, according to an exemplary embodiment.
  • the terminal device 800 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a gaming console, a tablet, a medical device, fitness equipment, a personal digital assistant, and the like.
  • the terminal device 800 can include one or more of the following components: a processing component 802, a memory 804, a power component 806, a multimedia component 808, an audio component 810, an input/output (I/O) interface 812, a sensor component 814, and a communication component 816.
  • a processing component 802 a memory 804, a power component 806, a multimedia component 808, an audio component 810, an input/output (I/O) interface 812, a sensor component 814, and a communication component 816.
  • the processing component 802 typically controls overall operations of the terminal device 800, such as the operations associated with display, telephone calls, data communications, camera operations, and recording operations.
  • the processing component 802 can include one or more processors 820 to execute instructions.
  • the processing component 802 can include one or more modules which facilitate the interaction between the processing component 802 and other components.
  • the processing component 802 can include a multimedia module to facilitate the interaction between the multimedia component 808 and the processing component 802.
  • the memory 804 is configured to store various types of data to support the operation of the terminal device 800. Examples of such data include instructions for any applications operated on the terminal device 800, contact data, phonebook data, messages, pictures, video, etc.
  • the memory 804 can be implemented by using any type of volatile or non-volatile memory devices, or a combination thereof, such as a static random access memory (SRAM), an electrically erasable programmable read-only memory (EEPROM), an erasable programmable read-only memory (EPROM), a programmable read-only memory (PROM), a read-only memory (ROM), a magnetic memory, a flash memory, a magnetic disk or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EPROM erasable programmable read-only memory
  • PROM programmable read-only memory
  • ROM read-only memory
  • magnetic memory a magnetic memory
  • flash memory a flash memory
  • magnetic disk or optical disk a
  • the power component 806 provides power to various components of the terminal device 800.
  • the power component 806 can include a power management system, one or more power sources, and any other components associated with the generation, management, and distribution of power in the terminal device 800.
  • the multimedia component 808 includes a screen providing an output interface between the terminal device 800 and the user.
  • the screen can include a liquid crystal display (LCD) and a touch panel (TP).
  • the display screen can be an organic light-emitting diode (OLED) display screen, or other types of screens.
  • the screen can be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touches, slides, and gestures on the touch panel.
  • the touch sensors can not only sense a boundary of a touch or sliding action, but also sense a period of time and a pressure associated with the touch or slide action.
  • the multimedia component 808 includes a front camera and/or a rear camera.
  • the front camera and/or the rear camera can receive an external multimedia datum while the terminal device 800 is in an operation mode, such as a photographing mode or a video mode.
  • Each of the front camera and the rear camera can be a fixed optical lens system or have focus and optical zoom capability.
  • the audio component 810 is configured to output and/or input audio signals.
  • the audio component 810 includes a microphone ("MIC") configured to receive an external audio signal when the terminal device 800 is in an operation mode, such as a call mode, a recording mode, and a voice recognition mode.
  • the received audio signal can be further stored in the memory 804 or transmitted via the communication component 816.
  • the audio component 810 further includes a speaker to output audio signals.
  • the I/O interface 812 provides an interface between the processing component 802 and peripheral interface modules, such as a keyboard, a click wheel, buttons, and the like.
  • the buttons can include, but are not limited to, a home button, a volume button, a starting button, and a locking button.
  • the sensor component 814 includes one or more sensors to provide status assessments of various aspects of the terminal device 800.
  • the sensor component 814 can detect an open/closed status of the terminal device 800, relative positioning of components, e.g., the display and the keypad, of the terminal device 800, and the sensor component 814 can also detect a change in position of the terminal device 800 or a component of the terminal device 800, a presence or absence of user contact with the terminal device 800, an orientation or an acceleration/deceleration of the terminal device 800, and a change in temperature of the terminal device 800.
  • the sensor component 814 can include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • the sensor component 814 can also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor component 814 can also include an accelerometer sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • the communication component 816 is configured to facilitate wired or wireless communication, between the terminal device 800 and other devices.
  • the terminal device 800 can access a wireless network based on a communication standard, such as WiFi, 2G, or 3G, or a combination thereof.
  • the communication component 816 receives a broadcast signal or broadcast associated information from an external broadcast management system via a broadcast channel.
  • the communication component 816 further includes a near field communication (NFC) module to facilitate short-range communications.
  • the NFC module can be implemented based on a radio frequency identification (RFID) technology, an infrared data association (IrDA) technology, an ultra-wideband (UWB) technology, a Bluetooth (BT) technology, and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • BT Bluetooth
  • the terminal device 800 can be implemented with one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), controllers, micro-controllers, microprocessors, or other electronic components.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGAs field programmable gate arrays
  • controllers micro-controllers, microprocessors, or other electronic components.
  • non-transitory computer readable storage medium including instructions, such as a memory 804 including instructions executable by the processor 820 in the terminal device 800.
  • the non-transitory computer-readable storage medium can be a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disc, an optical data storage device, and the like.
  • the terms “one embodiment,” “some embodiments,” “example,” “specific example,” or “some examples,” and the like can indicate a specific feature described in connection with the embodiment or example, a structure, a material or feature included in at least one embodiment or example.
  • the schematic representation of the above terms is not necessarily directed to the same embodiment or example.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Telephone Set Structure (AREA)
EP20158442.2A 2019-07-24 2020-02-20 Supporting structure for flexible screen, flexible screen structure and terminal device Pending EP3770723A1 (en)

Applications Claiming Priority (1)

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CN201910673328.2A CN112306147B (zh) 2019-07-24 2019-07-24 柔性屏幕的支撑结构、柔性屏幕结构和终端设备

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CN113805421B (zh) * 2021-09-27 2022-12-27 青岛海信激光显示股份有限公司 一种可卷曲投影屏幕及投影装置

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US11004364B2 (en) 2021-05-11
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CN112306147B (zh) 2024-03-26

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